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80829051 = 345975861
BaseRepresentation
bin1001101000101…
…01101001111011
312122002112121120
410310111221323
5131143012201
612004240323
72001015132
oct464255173
9178075546
1080829051
1141698076
12230a00a3
1313990854
14aa40919
157169536
hex4d15a7b

80829051 has 8 divisors (see below), whose sum is σ = 107813904. Its totient is φ = 53865120.

The previous prime is 80829037. The next prime is 80829079. The reversal of 80829051 is 15092808.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80829051 - 211 = 80827003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80829011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10861 + ... + 16721.

It is an arithmetic number, because the mean of its divisors is an integer number (13476738).

Almost surely, 280829051 is an apocalyptic number.

80829051 is a deficient number, since it is larger than the sum of its proper divisors (26984853).

80829051 is a wasteful number, since it uses less digits than its factorization.

80829051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10461.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 80829051 is about 8990.4978171400. The cubic root of 80829051 is about 432.3702726075.

The spelling of 80829051 in words is "eighty million, eight hundred twenty-nine thousand, fifty-one".

Divisors: 1 3 4597 5861 13791 17583 26943017 80829051